title: Structure-activity studies of orexin a and orexin B at the human orexin 1 and orexin 2 receptors led to orexin 2 receptor selective and orexin 1 receptor preferring ligands.
mesh_terms: D002118:Calcium / Q000378:metabolism; D002352:Carrier Proteins / Q000737:chemistry / Q000494:pharmacology*; D002460:Cell Line; D006801:Humans; D047908:Intracellular Signaling Peptides and Proteins; D009479:Neuropeptides / Q000737:chemistry / Q000494:pharmacology*; D009842:Oligopeptides / Q000138:chemical synthesis* / Q000737:chemistry / Q000494:pharmacology; D064446:Orexin Receptors; D000068797:Orexins; D010446:Peptide Fragments / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology; D043562:Receptors, G-Protein-Coupled; D018013:Receptors, Neuropeptide / Q000187:drug effects* / Q000378:metabolism; D013329:Structure-Activity Relationship
chemical_list: D002352:Carrier Proteins; C000596229:HCRT protein, human; D047908:Intracellular Signaling Peptides and Proteins; D009479:Neuropeptides; D009842:Oligopeptides; D064446:Orexin Receptors; D000068797:Orexins; D010446:Peptide Fragments; D043562:Receptors, G-Protein-Coupled; D018013:Receptors, Neuropeptide; D002118:Calcium